Leg extension
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Muscles worked
- High load
- Quads
Primary muscles
How to do it
Sit back against the pad with the knees aligned to the machine's pivot and the roller on the lower shins. Extend the knees until the legs are straight, squeeze hard at the top, then lower slowly. Use a moderate load and a smooth tempo; jerking into lockout with heavy weight is what irritates the knees here.
Form cues
- Squeeze hard at the top
- Slow the lowering phase
Safety
Talk to a professional before this exercise if you have any of the following:
Knee
This is general exercise reference, not medical advice. Stop and consult a qualified professional if an exercise causes pain, and never work through joint pain.